In the cube

In the cube battles are fought. Lives are lost. It's an ancient war replica. Replicated are the numbers of lives lost. Soldiers lose their mind. And also a lot of fun...for those with nothing to care about.
It's called The Cube because of the topology of that bit of space made the war debris form a cube.
On board of the entrance complex, in the great hall, soldiers swear the faith for which they fight. With chins up they repeat the commander's words:
...
- WE SWEAR TO KEEP ALIVE THE FAITH THAT MADE US BE!

Silence...the commander takes a look and leaves. As he outed through the great door, the soldiers behind him with a fluid and coordinated motion put their hands on their crotches and shout: